国际口腔医学杂志 ›› 2011, Vol. 38 ›› Issue (5): 506-508.doi: 10.3969/j.issn.1673-5749.2011.05.003

• 论著 • 上一篇    下一篇

氧化处理对医用镍钛合金表面亲水性的影响

王强1 那莹2 冯翠娟2 战德松1 张扬2   

  1. 1.中国医科大学口腔医学院材料教研室;2.中国医科大学口腔医院正畸科  沈阳 110002
  • 收稿日期:2010-08-28 修回日期:2011-06-21 出版日期:2011-09-20 发布日期:2011-09-20
  • 通讯作者: 张扬,Tel:024-22840870
  • 作者简介:王强(1981—),男,山东人,助理研究员,硕士
  • 基金资助:

    辽宁省自然科学基金资助项目(20082088,20092093)

Effect of oxidation on the hydrophilic property of the medical nickel titanium alloy

Wang Qiang1, Na Ying2, Feng Cuijuan2, Zhan Desong1, Zhang Yang2.   

  1. 1. Dept. of Dental Materials, School of Stomatology, China Medical University, Shenyang 110002, China; 2. Dept. of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, China
  • Received:2010-08-28 Revised:2011-06-21 Online:2011-09-20 Published:2011-09-20

摘要:

目的    研究氧化处理对镍钛合金表面亲水性的影响。方法    试验分为2 组,即经体积分数30%的过氧化氢氧化处理后的镍钛合金组和未经氧化处理过的镍钛合金组,二者皆分别滴加去离子水和α-溴萘液滴,采用接触角测量仪行静态接触角测量。结果     镍钛合金经表面氧化处理后,水与其表面的接触角和界面张力变小,合金的表面张力增加,表面润湿性、表面能以及合金与水之间的界面能等物理性能均向着有利于提高材料血液相容性的方向改善。结论  氧化处理能够有效地改善镍钛合金表面热力学性质,表面润湿性、表面能以及合金与血液之间的界面能等物理性能均向着有利于提高材料血液相容性能的方向改善。

关键词: 镍钛合金, 表面氧化, 接触角, 表面张力, 界面张力

Abstract:

Objective To evaluate the effect of oxidation on the hydrophilic property of the medical nickel titanium( NiTi) alloy. Methods The test samples were divided into two groups as a oxidized group and a non-oxidized group. NiTi alloy with nearly equiatomic ratio of nickel and titanium elements was selective oxidized in boiled 30% hydrogen peroxide solution solution. Then, the oxidized alloy was ultrasonically rinsed with deionized water and dried at 37 ℃. Static contact angle was measured using contact angle measuring instrument by stop drop method. The samples were placed in the sample room. Deionized water and α -bromonaphthalene were dropped on the samples surface. Then the measured pictures were acquired and the contact was evaluated by the accompanying software. Results The surface contact and interfacial tension of the oxidized NiTi alloy was lower than those of the non-oxidized while the surface tension was higher. The blood compatibility of the NiTi alloy will be improved by surface oxidation concerning wetting ability, interfacial tension and surface tension. Conclusion Surface thermodynamics properties including wetting ability, surface tension and interfacial tension are improved by oxidation treatment which leads to the improvement of blood compatibility of the NiTi alloy.

Key words: nickel titanium alloy, surface oxidation, contact, surface tension, interfacial tension

[1] 隋磊, 巢永烈, 王娉婷, 周敏. “亲水性”硅橡胶口腔印模材料的润湿性研究[J]. 国际口腔医学杂志, 2009, 36(4): 405-408.
[2] 范旭升,李志华. 镍钛合金弓丝机械性能的研究进展[J]. 国际口腔医学杂志, 2008, 35(S1): -.
[3] 丁少华,蔡萍,. 镍钛合金抗腐蚀性的研究进展[J]. 国际口腔医学杂志, 2007, 34(06): 467-469.
[4] 张瑜,彭彬,. 影响镍钛合金根管器械表面性状的因素[J]. 国际口腔医学杂志, 2006, 33(05): 355-357.
[5] 沈雅 彭彬 范兵. 镍钛合金机用根管器械折断的研究进展[J]. 国际口腔医学杂志, 2003, 30(03): 226-228.
[6] 宋亚玲. 非ISO机用镍钛器械成形根管的研究进展[J]. 国际口腔医学杂志, 2002, 29(01): -.
[7] 郭继华. ProFile镍钛合金根管预备器械研究进展[J]. 国际口腔医学杂志, 2000, 27(03): -.
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